Green Roof Systems Weight

So in dry state 50 m2 traditional green roof weighs around 5 tons while a similar sized urbanscape roof weighs just 1 ton.

Green roof systems weight.

Shrubs up to 3 m. Medium trees up to 10 m. Green roof vegetation type. Add 2 5 lbs ft2 for sedum mats and tiles.

Small trees up to 6 m. Here s a guide comparing types grant findley october 2 2014 at 3 14 pm reply. Large trees up to 15 m. The weight of a green roof is one of a number of factors specifiers need to consider when deciding which roofing system to use.

If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system. 5 25 media depth 17 22 lbs ft2 29 34 lbs ft2. Weight loading kg m 2 low herbaceous succulents and grasses 10 2. Sometimes a flat roof support structure requires a lightweight green roof.

Weight of standard sedum roof a standard sedum roof has a saturated weight of about 80 kg m. 6 media depth 19 25 lbs ft2 33 39 lbs ft2. System depth dry weight saturated weight. In addition the weight also depends on the water buffering capacity of the drainage layer.

This special lightweight structure for flat roofs transforms your grey roof with a pitch of 0 to 15 degrees into a sustainable green roof almost instantly. 7 media depth 22 29 lbs ft2 38 46 lbs ft2.